package com.stock.dao;

import java.util.List;
import org.hibernate.LockOptions;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.transaction.annotation.Transactional;

/**
 * A data access object (DAO) providing persistence and search support for
 * Stockinfo entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.stock.dao.Stockinfo
 * @author MyEclipse Persistence Tools
 */
@Transactional
public class StockinfoDAO {
	private static final Logger log = LoggerFactory
			.getLogger(StockinfoDAO.class);
	// property constants
	public static final String NAME = "name";
	public static final String SHORTNAME = "shortname";
	public static final String INDUSTRY = "industry";
	public static final String SINA_INDUSTRY = "sinaIndustry";
	public static final String AREA = "area";
	public static final String SINA_INDUSTRY2 = "sinaIndustry2";

	private SessionFactory sessionFactory;

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	private Session getCurrentSession() {
		return sessionFactory.getCurrentSession();
	}

	protected void initDao() {
		// do nothing
	}

	public void save(Stockinfo transientInstance) {
		log.debug("saving Stockinfo instance");
		try {
			getCurrentSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Stockinfo persistentInstance) {
		log.debug("deleting Stockinfo instance");
		try {
			getCurrentSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Stockinfo findById(java.lang.String id) {
		log.debug("getting Stockinfo instance with id: " + id);
		try {
			Stockinfo instance = (Stockinfo) getCurrentSession().get(
					"com.stock.dao.Stockinfo", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Stockinfo instance) {
		log.debug("finding Stockinfo instance by example");
		try {
			List results = getCurrentSession()
					.createCriteria("com.stock.dao.Stockinfo")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Stockinfo instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Stockinfo as model where model."
					+ propertyName + "= ?";
			Query queryObject = getCurrentSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findByShortname(Object shortname) {
		return findByProperty(SHORTNAME, shortname);
	}

	public List findByIndustry(Object industry) {
		return findByProperty(INDUSTRY, industry);
	}

	public List findBySinaIndustry(Object sinaIndustry) {
		return findByProperty(SINA_INDUSTRY, sinaIndustry);
	}

	public List findByArea(Object area) {
		return findByProperty(AREA, area);
	}

	public List findBySinaIndustry2(Object sinaIndustry2) {
		return findByProperty(SINA_INDUSTRY2, sinaIndustry2);
	}

	public List findAll() {
		log.debug("finding all Stockinfo instances");
		try {
			String queryString = "from Stockinfo";
			Query queryObject = getCurrentSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Stockinfo merge(Stockinfo detachedInstance) {
		log.debug("merging Stockinfo instance");
		try {
			Stockinfo result = (Stockinfo) getCurrentSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Stockinfo instance) {
		log.debug("attaching dirty Stockinfo instance");
		try {
			getCurrentSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Stockinfo instance) {
		log.debug("attaching clean Stockinfo instance");
		try {
			getCurrentSession().buildLockRequest(LockOptions.NONE).lock(
					instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static StockinfoDAO getFromApplicationContext(ApplicationContext ctx) {
		return (StockinfoDAO) ctx.getBean("StockinfoDAO");
	}
}